*{
    margin: 0;
    padding: 0;
}
.flex-center{
    width:100%;
            height:100vh;
            display:flex;
            justify-content: center;
            align-items: center;
}
.flex-col-center{
    display:flex;
    flex-direction: column;
    justify-content: center;
            align-items: center;
}